Fix crash

gns3server/utils/get_resource.py

@@ -24,7 +24,7 @@ log = logging.getLogger(__name__)
 
 try:
     egg_cache_dir = tempfile.mkdtemp()
-    pkg_resources.set_extraction_path(dir)
+    pkg_resources.set_extraction_path(egg_cache_dir)
 except ValueError:
     # If the path is already set the module throw an error
     pass